Chrissy Teigen recently shared that her mom, Vilailuck Teigen, is currently working on her own cookbook.The Bring the Funny judge, 34, posted a peek at one of the photographs that may appear in the book on her Instagram on Tuesday, July 28. In the snapshot, Vilailuck slices a potato at a kitchen counter while standing next to her son-in-law, John Legend, and shares a knowing look with him.